Good action, good editing. To have a great action shot, one needs to have something in sharp focus for most viewers. For composition, it's a bit cramped on the left side, and for DPC viewers, there's the clutter factor with the cars and such in the background. No way to get rid of those things other than by trying to find an angle that doesn't include them (which in situations like this is vitually impossible unless you can get high and shoot down.) Not sure what you mean by shadows/highlights pushed it to the limit - looks pretty balanced to me. You have a good grasp of basic editing techniques - not sure how much help I can be in that respect!
A faster shutter speed (which may or may not have been possible, don't know what camera was used) and a slightly diff crop would be my recommendations. Like the color, sense of power and the feel.